Consistently use slots / signals

We started out using Q_SLOTS and Q_SIGNALS but then changed our mind.
Let's make this consistent again.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/divelistview.h

@@ -41,7 +41,7 @@ public slots:
 	void testSlot();
 	void fixMessyQtModelBehaviour();
 
-Q_SIGNALS:
+signals:
 	void currentDiveChanged(int divenr);
 
 private:

qt-ui/downloadfromdivecomputer.h

@@ -27,7 +27,7 @@ public:
 	InterfaceThread(QObject *parent, device_data_t *data) ;
 	virtual void run();
 
-Q_SIGNALS:
+signals:
 	void updateInterface(int value);
 private:
 	device_data_t *data;

qt-ui/globe.h

@@ -29,7 +29,7 @@ private:
 	struct dive* editingDiveCoords;
 	KMessageWidget* messageWidget;
 
-public Q_SLOTS:
+public slots:
 	void changeDiveGeoPosition(qreal lon,qreal lat,GeoDataCoordinates::Unit);
 	void mouseClicked(qreal lon, qreal lat, GeoDataCoordinates::Unit);
 };

qt-ui/maintab.h

@@ -45,7 +45,7 @@ public:
 	void initialUiSetup();
 
 
-public Q_SLOTS:
+public slots:
 	void addCylinder_clicked();
 	void addWeight_clicked();
 	void updateDiveInfo(int dive);

qt-ui/mainwindow.h

@@ -44,7 +44,7 @@ public:
 	GlobeGPS *globe();
 	void showError(QString message);
 
-private Q_SLOTS:
+private slots:
 
 
 	/* file menu action */
@@ -90,7 +90,7 @@ private Q_SLOTS:
 protected:
 	void closeEvent(QCloseEvent *);
 
-public Q_SLOTS:
+public slots:
 	void readSettings();
 	void refreshDisplay();
 

qt-ui/profilegraphics.h

@@ -42,7 +42,7 @@ public:
 	void mousePressEvent(QGraphicsSceneMouseEvent* event);
 	void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
 	bool eventFilter(QObject* , QEvent* );
-public Q_SLOTS:
+public slots:
 	void setRect(const QRectF& rect);
 
 private:
@@ -98,7 +98,7 @@ protected:
 	void wheelEvent(QWheelEvent* event);
 	void showEvent(QShowEvent* event);
 
-public Q_SLOTS:
+public slots:
 	void refresh();
 	void edit_dive_time(const QString& time);
 

qt-ui/starwidget.h

@@ -17,10 +17,10 @@ public:
 	static QPixmap starActive();
 	static QPixmap starInactive();
 
-Q_SIGNALS:
+signals:
 	void valueChanged(int stars);
 
-public Q_SLOTS:
+public slots:
 	void setCurrentStars(int value);
 	void setReadOnly( bool readOnly);